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January 3rd 2026

P0031 / SCION

Oxygen Sensor Heater Control Circuit Low Bank 1 Sensor 1

Notes:

January 3rd 2026

P0031 / MOPAR

O2 SENSOR 1/1 HEATER CIRCUIT LOW

Notes:

January 3rd 2026

P0031 / JEEP

O2 SENSOR 1/1 HEATER CIRCUIT LOW

Notes:

January 3rd 2026

P0031 / JEEP

O2 Sensor 1/1 Heater Circuit Low

Notes:

January 3rd 2026

P0031 / GENERIC

HO2S Heater Control Circuit Low (Bank 1 Sensor 1)

Notes:

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NOTE: Results from this database are the beginning of the diagnostic process, further investigation should be performed to confirm results before you begin repairs.